Home / 105,896.40-146,126.28-63,453.84

Finding the Fourth Proportional to 105,896.40, 146,126.28 and 63,453.84

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Solution

The fourth proportional to 105,896.40, 146,126.28 and 63,453.84 is: 87,559.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,896.40 : 146,126.28 = 63,453.84 : x
  2. Step 2: Convert to fraction form
    105,896.40/146,126.28 = 63,453.84/x
  3. Step 3: Cross multiply
    105,896.40x = 146,126.28 × 63,453.84
  4. Step 4: Simplify right side
    105,896.40x = 9,272,273,590.92
  5. Step 5: Solve for x
    x = 9,272,273,590.92/105,896.40
  6. Step 6: Final answer
    x = 87,559.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.